142094689 has 16 divisors (see below), whose sum is σ = 160712640. Its totient is φ = 124493760.

The previous prime is 142094671. The next prime is 142094699. The reversal of 142094689 is 986490241.

It is a cyclic number.

It is not a de Polignac number, because 142094689 - 2²³ = 133706081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142094639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42762 + ... + 45964.

It is an arithmetic number, because the mean of its divisors is an integer number (10044540).

Almost surely, 2^142094689 is an apocalyptic number.

It is an amenable number.

142094689 is a deficient number, since it is larger than the sum of its proper divisors (18617951).

142094689 is a wasteful number, since it uses less digits than its factorization.

142094689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 142094689 is about 11920.3476878823. The cubic root of 142094689 is about 521.8262818447.

The spelling of 142094689 in words is "one hundred forty-two million, ninety-four thousand, six hundred eighty-nine".